.container {
    width: 980px;
    margin: 40px 0;
    padding: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
    border-radius: 10px;
    background: #fff;
}

.container .title {
    position: relative;
    width: 980px;
}

.container .title h3 {
    font-size: 25px;
    font-weight: normal;
    text-align: center;
}

.container .title .login-user {
    position: absolute;
    top: 0;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--main);
    border-radius: 50%;
    font-size: 30px;
    color: #fff;
    text-transform: capitalize;
    line-height: 50px;
    text-align: center;
    user-select: none;
    box-shadow: 0 2px 6px rgba(25, 137, 250, .5);
    cursor: pointer;
}

.login-user-option {
    position: absolute;
    right: -20px;
    top: 50px;
    z-index: 1;
    width: 100px;
    padding: 5px;
    font-size: 14px;
    background: #fff;
    list-style: none;
    text-align: center;
    border-radius: 4px;
    line-height: 1.1rem;
    transition: all .3s ease;
    transform: scaleX(0) scaleY(0);
    box-shadow: 0 2px 6px rgb(0 0 0 / 40%);
}

.login-user-option li {
    line-height: 5px;
    padding: 8px 0;
}

.login-user-option li a {
    color: #555;
    border-radius: 5px;
    padding: 3px 10px;
    transition: all .2s;
}

.login-user-option li a:hover {
    color: #fff;
    background: var(--main);
}

.login-user-option.active {
    transform: scaleX(1) scaleY(1);
}

.container .headers {
    display: flex;
    justify-content: space-between;
}

.container .headers .me-add-user {
    width: 4rem;
    height: 2rem;
    border: none;
    opacity: .7;
    background: var(--main);
    transition: all .3s;
    border-radius: .1rem;
    font-size: 16px;
    color: #fff;
}

.container .headers .me-add-user:hover {
    opacity: 1;
}

.headers form {
    position: relative;
    width: 20rem;
    height: 2.5rem;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.headers form i {
    position: absolute;
    color: #ccc;
    top: .7rem;
    left: .5rem;
    transition: all .2s;
}

.headers form input[type="text"] {
    outline: none;
    width: 100%;
    border: none;
    font-size: 15px;
    color: #ccc;
    padding: 0 1.8rem;
    transition: all .2s;
    height: 100%;
}

.headers form input[type="text"]:focus ~ i,
.headers form input[type="text"]:valid ~ i
.headers form input[type="text"]:focus {
    color: #333333;
}

.headers form .underline {
    position: absolute;
    bottom: 0;
    height: .2rem;
    width: 100%;
}

.headers form .underline::before {
    position: absolute;
    content: "";
    height: 100%;
    width: 100%;
    background: var(--main);
    transform: scaleX(0);
    transition: all .2s;
}

.headers form input[type="text"]:focus ~ .underline::before,
.headers form input[type="text"]:valid ~ .underline::before {
    transform: scaleX(1);
}

.headers form input[type="submit"] {
    outline: none;
    border: none;
    background: var(--main);
    color: #fff;
    width: 4.5rem;
    height: 100%;
}

table {
    border-collapse: collapse;
    margin: 20px 0;
}

table tr th {
    font-weight: normal;
}

table tr td,
table tr th {
    position: relative;
    border: 1px solid #ccc;
    width: 200px;
    text-align: center;
    color: #555;
    height: 30px;
}

table tr td:last-child {
    width: 300px;
}

table tr td input ~ i {
    position: absolute;
    top: 10px;
    left: 5px;
    font-size: 20px !important;
    color: #ccc;
    cursor: pointer;
    transition: all .3s;
}

table tr td input {
    min-width: 100px;
}

table tr td input ~ i:hover {
    color: #555;
}

table tr td:last-child {
    min-width: 90px;
}

table tr td:last-child button {
    outline: none;
    height: 30px;
    width: 50px;
    background: #fff;
    border-radius: .2rem;
    border: none;
    color: #fff;
    cursor: pointer;
}

table tr td:last-child .me-upload {
    background: #07c160;
}

table tr td:last-child .me-delete {
    background: #ee0a24;
}

table tr td:last-child .me-update {
    background: var(--main);
}

table tr th {
    height: 40px;
    background: rgba(0, 128, 128, .1);
}

table tr td input[type="text"] {
    height: 30px;
    width: 100px;
    border: none;
    outline: none;
    font-size: 16px;
    background: #fff;
    text-align: center;
    border-radius: .2rem;
}

.pagination span {
    color: #555;
    margin: 0 20px;
}

.pagination a {
    padding: 4px;
    line-height: 30px;
    background: var(--main);
    border-radius: 4px;
    color: #fff;
}

.pagination a:hover {
    color: #fff;
}

.container .me-empty {
    margin: -20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

.container .me-empty img {
    width: 380px;
    height: 380px;
}

.container nav a {
    font-size: 14px;
    color: var(--main);
}

.container nav a:hover {
    text-decoration: underline;
}

#upload-stu .upload {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 310px;
    height: 100px;
    border: 2px dashed var(--main);
    border-radius: 5px;
    cursor: pointer;
}

#upload-stu .upload i {
    font-size: 35px;
    color: var(--main);
}

#upload-stu .upload i ~ span {
    font-size: 14px;
    color: #666;
}

#upload-stu .list-file {
    margin: 15px 0;
    width: 310px;
    height: 65px;
    /*overflow-y: auto;*/
}

#upload-stu .list-file .item {
    background: rgba(0, 128, 128, .1);
    box-shadow: 0 1px 3px rgba(0, 128, 128, .4);
    border-radius: 5px;
    color: #111;
    height: 40px;
    margin: 10px 0;
    padding: 5px 5px 5px 20px;
    line-height: 40px;
}

#upload-stu .list-file .item span {
    margin: 0 5px;
}

#upload-stu .list-file .item span i{
    font-size: 30px;
    line-height: 40px;
    color: green;
}
